diff --git a/README.md b/README.md
index 6cb0c04..1c97524 100644
--- a/README.md
+++ b/README.md
@@ -1,38 +1,54 @@
 # 🔒 Keycloak 2FA Email Authenticator
 
-Keycloak Authentication Provider implementation to get a two factor authentication with an OTP/code/token send via Email (through SMTP)
+Keycloak Authentication Provider implementation to get a two factor authentication with an OTP (One-time-password) send via Email (through SMTP).
 
-When logging in with this provider, you can send a verification code (otp) to the user's e-mail address.
-Tested with Keycloak version 21.x, if you are using different Keycloak version, don't forget to change the version in pom.xml file.
+When logging in with this provider, you can send a verification code (OTP) to the user's e-mail address.
+Tested with Keycloak version 22.0.1. If you are using a different Keycloak version, don't forget to change the version in pom.xml file.
 
 The [Server Development part of the Keycloak reference documentation](https://www.keycloak.org/docs/latest/server_development/index.html) contains additional resources and examples for developing custom Keycloak extensions.
 
+# Development
+
+If you are using Eclipse, you need to install the Lombok plugin, otherwise Eclipse cannot resolve `log` which is declared at runtim through @JBossLog annotation.
+Find further information at https://projectlombok.org/setup/eclipse
+
+
 # 🚀 Deployment
 
 ## Artifact
 
 You can download the necessary artifacts for Keycloak 2FA Email Authenticator from the [release on GitHub.](https://github.com/mesutpiskin/keycloak-2fa-email-authenticator/releases/tag/v0.4) Please choose the appropriate version based on your Keycloak installation.
 
-## Provider
+## Providers
 
-`mvn package` will be create a jar file.
-copy _keycloak-2fa-email-authenticator.jar_ to _keycloak/providers/_ directory.
+`mvn package` will create a jar file.
+copy `keycloak-2fa-email-authenticator.jar` to `keycloak/providers/` directory.
 
-if you are Dockerized keycloak then copy to _/opt/jboss/keycloak/standalone/deployments/_ directory.
+If you are Dockerized keycloak then copy to `/opt/jboss/keycloak/standalone/deployments/` directory.
 
 ## Theme Resources
 
-**html/code-email.ftl** is a html email template. Copy to _themes/base/email/html/_
+- **html/code-email.ftl** is a html email template. Copy to `themes/base/email/html/`
+
+- copy **text/code-email.ftl**  to `themes/base/email/text/`
 
-**text/code-email.ftl**  Copy to _themes/base/email/text/_
+- append **messages/*.properties** to `themes/base/email/messages/messages_en.properties`
 
-**messages/*.properties** Append to _themes/base/email/messages/messages_en.properties_
+## Build
+
+Don't forget to start kc.sh with build parameter to make KeyCloak recognize the new povider:
+
+> bin/kc.sh build
 
 # Configuration
 
 ## Email Configuration
-SMTP setting configure for e-mail send.
-_Realm Settings/Email_
+
+Don't forget to configure your realm's SMTP settings, otherwise no email will be send:
+1. Login as admin on your KeyCloak installation.
+2. Switch to your realm
+3. Click `Realm settings` from the menu on the left.
+4. Click on the `Email`-tab and enter your smpt data.
 
 ## Authentication Flow
 Create new browser login authentication flow and add Email OTP flow before Username Password Form.
diff --git a/pom.xml b/pom.xml
index 728162b..054c758 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,11 +11,11 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <java.version>11</java.version>
+        <java.version>17</java.version>
         <maven.compiler.source>${java.version}</maven.compiler.source>
         <maven.compiler.target>${java.version}</maven.compiler.target>
         <lombok.version>1.18.22</lombok.version>
-        <keycloak.version>20.0.2</keycloak.version>
+        <keycloak.version>22.0.1</keycloak.version>
         <auto-service.version>1.0.1</auto-service.version>
     </properties>
 
diff --git a/src/main/java/com/mesutpiskin/keycloak/auth/email/EmailAuthenticatorForm.java b/src/main/java/com/mesutpiskin/keycloak/auth/email/EmailAuthenticatorForm.java
index d55303f..66b5850 100644
--- a/src/main/java/com/mesutpiskin/keycloak/auth/email/EmailAuthenticatorForm.java
+++ b/src/main/java/com/mesutpiskin/keycloak/auth/email/EmailAuthenticatorForm.java
@@ -15,8 +15,8 @@
 import org.keycloak.models.utils.FormMessage;
 import org.keycloak.services.messages.Messages;
 
-import javax.ws.rs.core.MultivaluedMap;
-import javax.ws.rs.core.Response;
+import jakarta.ws.rs.core.MultivaluedMap;
+import jakarta.ws.rs.core.Response;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
diff --git a/src/main/resources/META-INF/services/org.keycloak.authentication.AuthenticatorFactory b/src/main/resources/META-INF/services/org.keycloak.authentication.AuthenticatorFactory
new file mode 100644
index 0000000..d3d741b
--- /dev/null
+++ b/src/main/resources/META-INF/services/org.keycloak.authentication.AuthenticatorFactory
@@ -0,0 +1 @@
+com.mesutpiskin.keycloak.auth.email.EmailAuthenticatorFormFactory